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The steel structure is a structure composed of steel materials and is one of the main types of building structures. The structure is mainly composed of beam steel, steel column and steel truss made of steel and steel plates, and adopts rust-preventing and rust-preventing processes such as silanization, pure manganese phosphating, water washing and drying, and galvanizing. Welds, bolts or rivets are usually used to connect the components or components. Because of its light weight and simple construction, it is widely used in large factories, stadiums, super high-rises and other fields.